EP4746079A1 - Sekundärbatterie und herstellungsverfahren dafür sowie elektrische vorrichtung - Google Patents

Sekundärbatterie und herstellungsverfahren dafür sowie elektrische vorrichtung

Info

Publication number
EP4746079A1
EP4746079A1 EP25801135.2A EP25801135A EP4746079A1 EP 4746079 A1 EP4746079 A1 EP 4746079A1 EP 25801135 A EP25801135 A EP 25801135A EP 4746079 A1 EP4746079 A1 EP 4746079A1
Authority
EP
European Patent Office
Prior art keywords
well
secondary battery
manufacturing process
electrical device
process therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP25801135.2A
Other languages
English (en)
French (fr)
Inventor
Jiacheng Wu
Shisong Li
tuo Zheng
Diwu Li
Xiaoli Wang
Jiangjiang Qu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202411154807.0A external-priority patent/CN119852540B/zh
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of EP4746079A1 publication Critical patent/EP4746079A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/04—Wires; Strips; Foils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Composite Materials (AREA)
  • Secondary Cells (AREA)
EP25801135.2A 2024-08-21 2025-08-20 Sekundärbatterie und herstellungsverfahren dafür sowie elektrische vorrichtung Pending EP4746079A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202411154807.0A CN119852540B (zh) 2024-08-21 2024-08-21 二次电池及其制备方法和用电装置
PCT/CN2025/115989 WO2026041071A1 (zh) 2024-08-21 2025-08-20 二次电池及其制备方法和用电装置

Publications (1)

Publication Number Publication Date
EP4746079A1 true EP4746079A1 (de) 2026-05-20

Family

ID=98319371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP25801135.2A Pending EP4746079A1 (de) 2024-08-21 2025-08-20 Sekundärbatterie und herstellungsverfahren dafür sowie elektrische vorrichtung

Country Status (4)

Country Link
EP (1) EP4746079A1 (de)
KR (1) KR20260028672A (de)
DE (1) DE212025000045U1 (de)
WO (5) WO2026041161A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150048905A (ko) * 2011-06-28 2015-05-07 후루카와 덴키 고교 가부시키가이샤 전해 동박, 상기 전해 동박을 사용한 배선판 및 플렉서블 배선판
JP5822928B2 (ja) * 2011-07-13 2015-11-25 Jx日鉱日石金属株式会社 強度が高く、かつ反りの少ない電解銅箔及びその製造方法
CN105780064B (zh) * 2015-12-27 2018-12-21 惠州市海博晖科技有限公司 一种用于线路板的铜箔及其制备方法
CN111418105B (zh) * 2017-11-28 2023-10-10 日本电气株式会社 锂离子二次电池
JP6606317B1 (ja) * 2018-04-25 2019-11-13 古河電気工業株式会社 表面処理銅箔、銅張積層板、及びプリント配線板
EP4265568A3 (de) * 2020-03-27 2024-01-03 Contemporary Amperex Technology Co., Limited Prozess zur herstellung einer sekundärbatterie
CN114808046B (zh) * 2022-04-22 2024-05-28 浙江大学 一种高抗拉强度铜箔及其制备方法
CN116590762A (zh) * 2023-06-01 2023-08-15 九江德福科技股份有限公司 一种电解铜箔用电解液添加剂、高抗高延电解铜箔及其生产方法
CN118186525A (zh) * 2024-03-28 2024-06-14 电子科技大学 易剥离的超薄载体铜箔的制备方法及超薄载体铜箔
EP4696817A1 (de) * 2024-06-05 2026-02-18 Jiujiang Defu Technology Co., Ltd Kupferfolie und herstellungsverfahren dafür, negativelektrode damit und lithium-ionen-batterie
CN119852540B (zh) * 2024-08-21 2025-11-18 宁德时代新能源科技股份有限公司 二次电池及其制备方法和用电装置

Also Published As

Publication number Publication date
KR20260028672A (ko) 2026-03-04
WO2026041167A1 (zh) 2026-02-26
WO2026041165A1 (zh) 2026-02-26
WO2026041161A1 (zh) 2026-02-26
DE212025000045U1 (de) 2026-01-22
WO2026041162A1 (zh) 2026-02-26
WO2026041166A1 (zh) 2026-02-26

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